Characterization of Bacterial Microbiota Composition along the Gastrointestinal Tract in Rabbits.
caecum
gastrointestinal tract
immune system
intestinal microbiota
rabbit
Journal
Animals : an open access journal from MDPI
ISSN: 2076-2615
Titre abrégé: Animals (Basel)
Pays: Switzerland
ID NLM: 101635614
Informations de publication
Date de publication:
26 Dec 2020
26 Dec 2020
Historique:
received:
25
11
2020
revised:
18
12
2020
accepted:
21
12
2020
entrez:
30
12
2020
pubmed:
31
12
2020
medline:
31
12
2020
Statut:
epublish
Résumé
The microbiota is extremely important for the animal's health, but, to date, knowledge on the intestinal microbiota of the rabbit is very limited. This study aimed to describe bacterial populations that inhabit the different gastrointestinal compartments of the rabbit: stomach, duodenum, jejunum, ileum, caecum, and colon. Samples of the luminal content from all compartments of 14 healthy New White Zealand rabbits were collected at slaughter and analyzed using next generation 16S rRNA Gene Sequencing. The findings uncovered considerable differences in the taxonomic levels among the regions of the digestive tract. Firmicutes were the most abundant phylum in all of the sections (45.9%), followed by Bacteroidetes in the large intestine (38.9%) and Euryarchaeota in the foregut (25.9%). Four clusters of bacterial populations were observed along the digestive system: (i) stomach, (ii) duodenum and jejunum, (iii) ileum, and (iv) large intestine. Caecum and colon showed the highest richness and diversity in bacterial species, while the highest variability was found in the upper digestive tract. Knowledge of the physiological microbiota of healthy rabbits could be important for preserving the health and welfare of the host as well as for finding strategies to manipulate the gut microbiota in order to also promote productive performance.
Identifiants
pubmed: 33375259
pii: ani11010031
doi: 10.3390/ani11010031
pmc: PMC7824689
pii:
doi:
Types de publication
Journal Article
Langues
eng
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